Question

How do you work out 9/10 - 1/15 ?

Answer 1

well first change both fractions to a common denominator

Answer 2

take the lcm of the denominator n then proceed

Answer 3

okay

Answer 4

so in this case, i'll give you a hint -- 30 is the least common multiple between the two denominators. so you need to change 9/10 into something out of /30, and similarly 1/15 to something /30. can you do that step?

Answer 5

yep, thankyou, atleast i wont get a really bad percentage in my homework :D